X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=plugins%2Fcheck_mysql.c;h=ad15a77c96c47824a6883e2490a23fd13c90fb24;hb=fa4efcdf6df1096ff1f6740c7f44b213b47dc9d3;hp=3194ecede85b73f7ef572d06467848d066772e16;hpb=f1cef328a6f38e4da3c33a7154a0e0b89f2daa5a;p=nagiosplug.git

diff --git a/plugins/check_mysql.c b/plugins/check_mysql.c
index 3194ece..ad15a77 100644
--- a/plugins/check_mysql.c
+++ b/plugins/check_mysql.c
@@ -1,47 +1,68 @@
-/******************************************************************************
-*
-* CHECK_MYSQL.C
-*
-* Program: Mysql plugin for Nagios
+/*****************************************************************************
+* 
+* Nagios check_mysql plugin
+* 
 * License: GPL
 * Copyright (c) 1999 Didi Rieder (adrieder@sbox.tu-graz.ac.at)
-*  portions (c) 2000 Karl DeBisschop (kdebisschop@users.sourceforge.net)
+* Copyright (c) 2000 Karl DeBisschop (kdebisschop@users.sourceforge.net)
+* Copyright (c) 1999-2007 Nagios Plugins Development Team
 * 
-* $Id$
+* Last Modified: $Date$
 *
 * Description:
-*
-* This plugin is for testing a mysql server.
-******************************************************************************/
+* 
+* This file contains the check_mysql plugin
+* 
+* This program tests connections to a mysql server
+* 
+* 
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+* 
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+* 
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+* 
+* $Id$
+* 
+*****************************************************************************/
 
 const char *progname = "check_mysql";
 const char *revision = "$Revision$";
-const char *copyright = "1999-2004";
+const char *copyright = "1999-2007";
 const char *email = "nagiosplug-devel@lists.sourceforge.net";
 
-#define SLAVERESULTSIZE 40
+#define SLAVERESULTSIZE 70
 
 #include "common.h"
 #include "utils.h"
+#include "utils_base.h"
 #include "netutils.h"
 
-#include <mysql/mysql.h>
-#include <mysql/errmsg.h>
+#include <mysql.h>
+#include <errmsg.h>
 
 char *db_user = NULL;
 char *db_host = NULL;
 char *db_pass = NULL;
 char *db = NULL;
 unsigned int db_port = MYSQL_PORT;
-int check_slave = 0;
+int check_slave = 0, warn_sec = 0, crit_sec = 0;
+int verbose = 0;
+
+thresholds *my_threshold = NULL;
 
 int process_arguments (int, char **);
 int validate_arguments (void);
 void print_help (void);
 void print_usage (void);
 
-
-
 int
 main (int argc, char **argv)
 {
@@ -53,6 +74,7 @@ main (int argc, char **argv)
 	/* should be status */
 	
 	char *result = NULL;
+	char *error = NULL;
 	char slaveresult[SLAVERESULTSIZE];
 
 	setlocale (LC_ALL, "");
@@ -99,21 +121,30 @@ main (int argc, char **argv)
 	if(check_slave) {
 		/* check the slave status */
 		if (mysql_query (&mysql, "show slave status") != 0) {
+			error = strdup(mysql_error(&mysql));
 			mysql_close (&mysql);
-			die (STATE_CRITICAL, _("slave query error: %s\n"), mysql_error (&mysql));
+			die (STATE_CRITICAL, _("slave query error: %s\n"), error);
 		}
 
 		/* store the result */
 		if ( (res = mysql_store_result (&mysql)) == NULL) {
+			error = strdup(mysql_error(&mysql));
 			mysql_close (&mysql);
-			die (STATE_CRITICAL, _("slave store_result error: %s\n"), mysql_error (&mysql));
+			die (STATE_CRITICAL, _("slave store_result error: %s\n"), error);
+		}
+
+		/* Check there is some data */
+		if (mysql_num_rows(res) == 0) {
+			mysql_close(&mysql);
+			die (STATE_WARNING, "%s\n", _("No slaves defined"));
 		}
 
 		/* fetch the first row */
 		if ( (row = mysql_fetch_row (res)) == NULL) {
+			error = strdup(mysql_error(&mysql));
 			mysql_free_result (res);
 			mysql_close (&mysql);
-			die (STATE_CRITICAL, _("slave fetch row error: %s\n"), mysql_error (&mysql));
+			die (STATE_CRITICAL, _("slave fetch row error: %s\n"), error);
 		}
 
 		if (mysql_field_count (&mysql) == 12) {
@@ -127,37 +158,60 @@ main (int argc, char **argv)
 
 		} else {
 			/* mysql 4.x.x */
-			int slave_io_field = -1 , slave_sql_field = -1, i, num_fields;
+			int slave_io_field = -1 , slave_sql_field = -1, seconds_behind_field = -1, i, num_fields;
 			MYSQL_FIELD* fields;
 
 			num_fields = mysql_num_fields(res);
 			fields = mysql_fetch_fields(res);
-			for(i = 0; i < num_fields; i++)
-			{
-				if (0 == strcmp(fields[i].name, "Slave_IO_Running"))
-				{
+			for(i = 0; i < num_fields; i++) {
+				if (strcmp(fields[i].name, "Slave_IO_Running") == 0) {
 					slave_io_field = i;
 					continue;
 				}
-				if (0 == strcmp(fields[i].name, "Slave_SQL_Running"))
-				{
+				if (strcmp(fields[i].name, "Slave_SQL_Running") == 0) {
 					slave_sql_field = i;
 					continue;
 				}
+				if (strcmp(fields[i].name, "Seconds_Behind_Master") == 0) {
+					seconds_behind_field = i;
+					continue;
+				}
 			}
-			if ((slave_io_field < 0) || (slave_sql_field < 0) || (num_fields == 0))
-			{
+			if ((slave_io_field < 0) || (slave_sql_field < 0) || (num_fields == 0)) {
 				mysql_free_result (res);
 				mysql_close (&mysql);
 				die (STATE_CRITICAL, "Slave status unavailable\n");
 			}
-			 
-			snprintf (slaveresult, SLAVERESULTSIZE, "Slave IO: %s Slave SQL: %s", row[slave_io_field], row[slave_sql_field]);
+			
+			snprintf (slaveresult, SLAVERESULTSIZE, "Slave IO: %s Slave SQL: %s Seconds Behind Master: %s", row[slave_io_field], row[slave_sql_field], row[seconds_behind_field]);
 			if (strcmp (row[slave_io_field], "Yes") != 0 || strcmp (row[slave_sql_field], "Yes") != 0) {
 				mysql_free_result (res);
 				mysql_close (&mysql);
 				die (STATE_CRITICAL, "%s\n", slaveresult);
 			}
+
+			if (verbose >=3) {
+				if (seconds_behind_field == -1) {
+					printf("seconds_behind_field not found\n");
+				} else {
+					printf ("seconds_behind_field(index %d)=%s\n", seconds_behind_field, row[seconds_behind_field]);
+				}
+			}
+
+			if ((seconds_behind_field != -1) && (strcmp (row[seconds_behind_field], "NULL") != 0)) {
+				double value = atof(row[seconds_behind_field]);
+				int status;
+
+				status = get_status(value, my_threshold);
+
+				if (status == STATE_WARNING) {
+					printf("SLOW_SLAVE %s: %s\n", _("WARNING"), slaveresult);
+					exit(STATE_WARNING);
+				} else if (status == STATE_CRITICAL) {
+					printf("SLOW_SLAVE %s: %s\n", _("CRITICAL"), slaveresult);
+					exit(STATE_CRITICAL);
+				}
+			}
 		}
 
 		/* free the result */
@@ -183,6 +237,8 @@ int
 process_arguments (int argc, char **argv)
 {
 	int c;
+	char *warning = NULL;
+	char *critical = NULL;
 
 	int option = 0;
 	static struct option longopts[] = {
@@ -191,6 +247,8 @@ process_arguments (int argc, char **argv)
 		{"username", required_argument, 0, 'u'},
 		{"password", required_argument, 0, 'p'},
 		{"port", required_argument, 0, 'P'},
+		{"critical", required_argument, 0, 'c'},
+		{"warning", required_argument, 0, 'w'},
 		{"check-slave", no_argument, 0, 'S'},
 		{"verbose", no_argument, 0, 'v'},
 		{"version", no_argument, 0, 'V'},
@@ -202,7 +260,7 @@ process_arguments (int argc, char **argv)
 		return ERROR;
 
 	while (1) {
-		c = getopt_long (argc, argv, "hVSP:p:u:d:H:", longopts, &option);
+		c = getopt_long (argc, argv, "hvVSP:p:u:d:H:c:w:", longopts, &option);
 
 		if (c == -1 || c == EOF)
 			break;
@@ -231,33 +289,44 @@ process_arguments (int argc, char **argv)
 		case 'S':
 			check_slave = 1;							/* check-slave */
 			break;
+		case 'w':
+			warning = optarg;
+			break;
+		case 'c':
+			critical = optarg;
+			break;
 		case 'V':									/* version */
 			print_revision (progname, revision);
 			exit (STATE_OK);
 		case 'h':									/* help */
 			print_help ();
 			exit (STATE_OK);
+		case 'v':
+			verbose++;
+			break;
 		case '?':									/* help */
-			usage2 (_("Unknown argument"), optarg);
+			usage5 ();
 		}
 	}
 
 	c = optind;
 
+	set_thresholds(&my_threshold, warning, critical);
+
 	while ( argc > c ) {
 
-		if (strlen(db_host) == 0)
+		if (db_host == NULL)
 			if (is_host (argv[c])) {
 				db_host = argv[c++];
 			}
 			else {
-				usage2 (_("Invalid hostname/address"), optarg);
+				usage2 (_("Invalid hostname/address"), argv[c]);
 			}
-		else if (strlen(db_user) == 0)
+		else if (db_user == NULL)
 			db_user = argv[c++];
-		else if (strlen(db_pass) == 0)
+		else if (db_pass == NULL)
 			db_pass = argv[c++];
-		else if (strlen(db) == 0)
+		else if (db == NULL)
 			db = argv[c++];
 		else if (is_intnonneg (argv[c]))
 			db_port = atoi (argv[c++]);
@@ -298,29 +367,32 @@ print_help (void)
 
 	printf (_(COPYRIGHT), copyright, email);
 
-	printf (_("This program tests connections to a mysql server\n"));
+	printf ("%s\n", _("This program tests connections to a mysql server"));
 
+  printf ("\n\n");
+  
 	print_usage ();
 
 	printf (_(UT_HELP_VRSN));
 
 	printf (_(UT_HOST_PORT), 'P', myport);
 
-	printf (_("\
- -d, --database=STRING\n\
-   Check database with indicated name\n\
- -u, --username=STRING\n\
-   Connect using the indicated username\n\
- -p, --password=STRING\n\
-   Use the indicated password to authenticate the connection\n\
-   ==> IMPORTANT: THIS FORM OF AUTHENTICATION IS NOT SECURE!!! <==\n\
-   Your clear-text password will be visible as a process table entry\n\
- -S, --check-slave\n\
-   Check if the slave thread is running properly.\n"));
-
-	printf (_("\n\
-There are no required arguments. By default, the local database with\n\
-a server listening on MySQL standard port %d will be checked\n"), MYSQL_PORT);
+	printf (" %s\n", "-d, --database=STRING");
+  printf ("    %s\n", _("Check database with indicated name"));
+  printf (" %s\n", "-u, --username=STRING");
+  printf ("    %s\n", _("Connect using the indicated username"));
+  printf (" %s\n", "-p, --password=STRING");
+  printf ("    %s\n", _("Use the indicated password to authenticate the connection"));
+  printf ("    %s\n", _("==> IMPORTANT: THIS FORM OF AUTHENTICATION IS NOT SECURE!!! <=="));
+  printf ("    %s\n", _("Your clear-text password will be visible as a process table entry"));
+  printf (" %s\n", "-S, --check-slave");
+  printf ("    %s\n", _("Check if the slave thread is running properly."));
+  printf (" %s\n", "-w, --warning");
+  printf ("    %s\n", _("Exit with WARNING status if slave server is more than INTEGER seconds behind master"));
+  printf (" %s\n", "-c, --critical");
+  printf ("    %s\n", _("Exit with CRITICAL status if slave server is more then INTEGER seconds behind master"));
+  printf (" %s\n", _("There are no required arguments. By default, the local database with"));
+  printf (_("a server listening on MySQL standard port %d will be checked\n"), MYSQL_PORT);
 
 	printf (_(UT_SUPPORT));
 }
@@ -329,7 +401,6 @@ a server listening on MySQL standard port %d will be checked\n"), MYSQL_PORT);
 void
 print_usage (void)
 {
-	printf ("\
-Usage: %s [-d database] [-H host] [-P port] [-u user] [-p password] [-S]\n",
-	        progname);
+	printf (_("Usage:"));
+  printf ("%s [-d database] [-H host] [-P port] [-u user] [-p password] [-S]\n",progname);
 }